20144457

素因数分解:

$3^7\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 30910720

約数和(自身を除く): 10766263

約数列:

[1, 3, 9, 27, 61, 81, 151, 183, 243, 453, 549, 729, 1359, 1647, 2187, 4077, 4941, 9211, 12231, 14823, 27633, 36693, 44469, 82899, 110079, 133407, 248697, 330237, 746091, 2238273, 6714819, 20144457]

約数ペア:

[(1, 20144457), (3, 6714819), (9, 2238273), (27, 746091), (61, 330237), (81, 248697), (151, 133407), (183, 110079), (243, 82899), (453, 44469), (549, 36693), (729, 27633), (1359, 14823), (1647, 12231), (2187, 9211), (4077, 4941)]